IOZ practice

knitr::opts_chunk$set(echo = TRUE)

# Load libraries
library(leaflet)            # interactive maps
library(leaflet.extras)     # extra leaflet functions  

## Warning: package 'leaflet.extras' was built under R version 4.3.3

library(leaflet.extras2)    # extra leaflet functions
library(stars)              # for raster and spatiotemporal data

## Loading required package: abind

## Loading required package: sf

## Linking to GEOS 3.11.2, GDAL 3.7.2, PROJ 9.3.0; sf_use_s2() is TRUE

library(esri2sf)            # ArcGIS FeatureServer -> sf
library(leaflet.providers)  # leaflet basemaps
library(sf)                 # spatial data  
library(rnaturalearth)      # Natural Earth basemap

# Leaflet expects WGS84 lon/lat
target_crs <- 4326

My first online map

This map below shows the recent earthquakes around the world and the active fault lines.

(Data source: U.S. Geological Survey)